Matt's examples
diff --git a/Demo/tkinter/matt/slider-demo-1.py b/Demo/tkinter/matt/slider-demo-1.py
new file mode 100644
index 0000000..0d487ab
--- /dev/null
+++ b/Demo/tkinter/matt/slider-demo-1.py
@@ -0,0 +1,40 @@
+from Tkinter import *
+
+# shows how to make a slider, set and get its value under program control
+
+
+class Test(Frame):
+    def print_value(self, val):
+	print "slider now at", val
+
+    def reset(self): 
+	self.slider.set(0)
+
+    def createWidgets(self):
+	self.slider = Scale(self, {"from" : 0,
+				   'to': 100, 
+				   "orient" : "horizontal", 
+				   "length" : "3i", 
+				   "label" : "happy slider", 
+				   'command' : self.print_value})
+
+	self.reset = Button(self, {'text': 'reset slider', 
+				  'command': self.reset})
+	
+
+	self.QUIT = Button(self, {'text': 'QUIT', 
+				  'fg': 'red', 
+				  'command': self.quit})
+	
+
+	self.slider.pack({'side': 'left'})
+	self.reset.pack({'side': 'left'})
+	self.QUIT.pack({'side': 'left', 'fill': 'both'})
+
+    def __init__(self, master=None):
+	Frame.__init__(self, master)
+	Pack.config(self)
+	self.createWidgets()
+
+test = Test()
+test.mainloop()